package com.itheima.restkeeper.face;

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.restkeeper.AffixFace;
import com.itheima.restkeeper.BrandFace;
import com.itheima.restkeeper.enums.BrandEnum;
import com.itheima.restkeeper.exception.ProjectException;
import com.itheima.restkeeper.pojo.Brand;
import com.itheima.restkeeper.req.AffixVo;
import com.itheima.restkeeper.req.BrandVo;
import com.itheima.restkeeper.service.IBrandService;
import com.itheima.restkeeper.utils.BeanConv;
import com.itheima.restkeeper.utils.EmptyUtil;
import com.itheima.restkeeper.utils.ExceptionsUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.dubbo.config.annotation.DubboReference;
import org.apache.dubbo.config.annotation.DubboService;
import org.apache.dubbo.config.annotation.Method;
import org.springframework.beans.factory.annotation.Autowired;

import java.util.List;
import java.util.stream.Collectors;

/**
 * @ClassName BrandFaceImpl.java
 * @Description 品牌dubbo接口定义实现
 */
@DubboService(version = "${dubbo.application.version}", timeout = 5000,
        methods = {
                @Method(name = "findBrandVoPage", retries = 2),
                @Method(name = "createBrand", retries = 0),
                @Method(name = "updateBrand", retries = 0),
                @Method(name = "deleteBrand", retries = 0)
        })
@Slf4j
public class BrandFaceImpl implements BrandFace {

    @Autowired
    IBrandService brandService;

    @DubboReference(version = "${dubbo.application.version}", check = false)
    AffixFace affixFace;

    @Override
    public Page<BrandVo> findBrandVoPage(BrandVo brandVo,
                                         int pageNum,
                                         int pageSize) throws ProjectException {
        //查询Page<Brand>分页
        Page<Brand> brandPage = brandService.findBrandVoPage(brandVo, pageNum, pageSize);
        //创建Page<BrandVo>对象
        Page<BrandVo> PageVo = new Page<>();
        //转化Page<Brand>为Page<BrandVo>
        BeanConv.toBean(brandPage, PageVo);
        //转换List<Brand>为 List<BrandVo>
        List<Brand> brandList = brandPage.getRecords();//获取brand中当前页的所有数据
        List<BrandVo> brandVoList = BeanConv.toBeanList(brandList, BrandVo.class);
        //处理附件
        if (!EmptyUtil.isNullOrEmpty(brandPage) && !EmptyUtil.isNullOrEmpty(brandVoList)) {
            for (BrandVo vo : brandVoList) {
                List<AffixVo> affixVo = affixFace.findAffixVoByBusinessId(vo.getId());
                if (!EmptyUtil.isNullOrEmpty(affixVo)) {
                    vo.setAffixVo(affixVo.get(0));
                }
            }
        }
        //指定带有附件消息的brandVoList到pageVo中
        PageVo.setRecords(brandVoList);
        //返回结果
        return PageVo;
    }

    @Override
    public BrandVo createBrand(BrandVo brandVo) throws ProjectException {
        try {
            //保存品牌
            BrandVo brandVoResult = BeanConv.toBean(brandService.createBrand(brandVo), BrandVo.class);
            //绑定附件
            if (!EmptyUtil.isNullOrEmpty(brandVoResult)) {
                //将图片与对应的数据绑定起来  因为不管哪里的图片都是统一管理
                affixFace.bindBusinessId(
                        AffixVo.builder()
                                .businessId(brandVoResult.getId())
                                .id(brandVo.getAffixVo().getId())
                                .build());
            }
            brandVoResult.setAffixVo(AffixVo.builder().
                    pathUrl(brandVo.getAffixVo().getPathUrl()). //前端传入的附件信息,获取其中的路径并添加到返回数据中
                    businessId(brandVoResult.getId())
                    .id(brandVo.getAffixVo().getId()).
                            build());
            //返回结果
            return brandVoResult;
        } catch (Exception e) {
            log.error("保存品牌异常：{}", ExceptionsUtil.getStackTraceAsString(e));
            throw new ProjectException(BrandEnum.CREATE_FAIL);
        }
    }

    @Override
    public Boolean updateBrand(BrandVo brandVo) throws ProjectException {
        try {
            //修改品牌
            Boolean flag = brandService.updateBrand(brandVo);

            if (flag) {
                //查询品牌附件消息 获得所有对应的图片
                List<AffixVo> affixVo = affixFace.findAffixVoByBusinessId(brandVo.getId());
               //todo   将AffixVo::getId 转换成
                List<Long> affixIds = affixVo.stream().map(AffixVo::getId).collect(Collectors.toList());
                //删除图片  判断这个集合是否为空不为空就删除
                if(!EmptyUtil.isNullOrEmpty(affixIds)){
                    for (Long affixId : affixIds) {
                        affixFace.deleteAffixVoByBusinessId(affixId);
                    }
                }
                //绑定新图片  蒋欣图片进行绑定
                affixFace.bindBusinessId(
                        AffixVo.builder()
                                .businessId(brandVo.getId())
                                .id(brandVo.getAffixVo().getId())
                                .build());
            }
            return null;
        } catch (Exception e) {
            log.error("修改品牌列表异常：{}", ExceptionsUtil.getStackTraceAsString(e));
            throw new ProjectException(BrandEnum.UPDATE_FAIL);
        }

    }

    @Override
    public Boolean deleteBrand(String[] checkedIds) throws ProjectException {
        try {
            //删除品牌
            Boolean flag = brandService.deleteBrand(checkedIds);

            //删除图片，是不是可以debug进去看看？
            for (String checkedId : checkedIds) {
                //将Sting类型id转成Long类型传入图片删除方法
                affixFace.deleteAffixVoByBusinessId(Long.valueOf(checkedId));
            }
            return null;
        } catch (Exception e) {
            log.error("删除品牌列表异常：{}", ExceptionsUtil.getStackTraceAsString(e));
            throw new ProjectException(BrandEnum.DELETE_FAIL);
        }
    }

    @Override
    public BrandVo findBrandByBrandId(Long brandId) throws ProjectException {
        try {
            //查找品牌消息
            Brand brand= brandService.getById(brandId);
            return BeanConv.toBean(brand,BrandVo.class);  //将Brand对象转成BrandVo并返回前端
        } catch (Exception e) {
            log.error("查找品牌所有品牌异常：{}", ExceptionsUtil.getStackTraceAsString(e));
            throw new ProjectException(BrandEnum.SELECT_BRAND_FAIL);
        }
    }

    @Override
    public List<BrandVo> findBrandVoList() throws ProjectException {
        try {
            //查找品牌列表，用到哪里？要不要注意状态？
            List<Brand> brandList = brandService.findBrandVoList();
            return BeanConv.toBeanList(brandList,BrandVo.class);//查询到的数据封装返回给前端
        } catch (Exception e) {
            log.error("查询品牌列表异常：{}", ExceptionsUtil.getStackTraceAsString(e));
            throw new ProjectException(BrandEnum.PAGE_FAIL);
        }
    }
}
